SAP says it will buy Ariba for $4.5B
Business software maker SAP AG says it will buy spending-management software company Ariba Inc. for about $4.51 billion.

Dell 1Q profit, 2Q outlook miss estimates
Shares of Dell Inc. fell sharply in aftermarket trading Tuesday after the computer maker posted disappointing first-quarter results and forecast weak sales in its fiscal second quarter.

Amazon lets users test out Android apps on their smartphones
One of the problems with mobile app markets is that customers are often forced to purchase an app before knowing its true quality. That’s why reviews are so important in the various major app marketplaces – they allow users to learn from the experiences of others and decide whether they want to purchase an app or not.

CISPA: Your Privacy at Risk?
A new piece of controversial technology-related legislation is making its way though the House and now the Senate – the Cyber Intelligence Sharing and Protection Act, or CISPA. What is the bill and what's going to happen next?

Photos: Black Hole Shreds Star
The Lyrid meteor shower was so bright that it could been during the day and night from California to Nevada.

Watch: Apple-Samsung Feud
Court orders CEOs from Apple, Samsung, to meeting to discuss patent dispute.